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NF - Undersized lower end ports


John Bacon

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I have a Mercury branded Tohotsu 5hp sail pro kicker motor.  I tried to change the lower end oil today.  Unfortunately, it uses smaller ports than my 50hp Merc, so I cannot use my oil pump to fill it back up.

Has anyone else run into this issue?  Do you know anyone who carries; either an adapter for a standard oil pump, or a smaller sized pump for these outboards?  

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I've found that the tips you get with a tube of RTV sealant will thread onto one of the threaded adapters that came with the cheap pump and I use those on one of my engines. Just clip it to the correct "step" diameter to work. On another engine I use a tip from a tube of hemorrhoid cream.

Edited by irishfield
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